Senior Software Engineer Jobs in Vaughan, ON (NOW HIRING)

Senior Software Engineer, Agentic AISkip to main content# **Our Privacy Statement & Cookie Policy**Privacy Statement Cookie PolicyAll Thomson Reuters websites use cookies to improve your online experience. They were placed on your computer when you launched this website. You can change your cookie settings through your browser.# Careers at Thomson ReutersSenior Software Engineer, Agentic AI page is loaded## Senior Software Engineer, Agentic AIApplyremote type: Hybridlocations: Canada, Toronto, Ontariotime type: Full timeposted on: Posted 3 Days Agotime left to apply: End Date: August 31, 2026 (30+ days left to apply)job requisition id: JREQ194264***Senior Software Engineer, AI***Are you ready to shape the future of AI-driven content technology while leading cutting-edge innovation in a mission-critical role? Do you thrive in environments where your technical expertise can directly impact how the world's leading professionals access and utilize information?We are seeking a talented, self-driven and highly motivated Software Engineer, AI to join the Corporates Tax and Trade team in Toronto. In this role, you will develop scalable and innovative solutions using AI and Machine Learning on a rapidly growing line of products. You will work closely with Product Management, Technology and our Labs teams to enable our customers to build successful AI driven features and products to take their business to the next level.**About the Role**In this opportunity as Senior Software Engineer, AI you will perform the following responsibilities## ## **Development & Implementation*** ## Develop and maintain AI/ML features under the guidance of senior team members* Implement machine learning models and integrate them into software applications* Write clean, well-documented code following established coding standards* Participate in the full software development lifecycle for AI/ML projects* Assist in building data pipelines and preprocessing workflows* Support model deployment and monitoring activities**Collaboration & Growth*** Work closely with senior engineers to understand AI/ML system architecture* Collaborate with data scientists to implement proof-of-concept models* Participate in code reviews and incorporate feedback to improve code quality* Attend team meetings and contribute to technical discussions* Document development processes and create technical specifications* Stay updated on AI/ML trends and technologies through continuous learning**Performance & Optimization*** Monitor and optimize model performance, latency, and resource utilization* Implement A/B testing frameworks for AI/ML features* Debug and troubleshoot complex AI/ML systems in production environments* Ensure models are robust, reliable, and perform well at scale* **Software Engineering Excellence:** + Write clean, well-tested, and maintainable code in Python (or other relevant languages). + Develop and integrate RESTful APIs and microservices to expose AI/ML capabilities to internal and external systems. + Implement robust monitoring, logging, and alerting for AI/ML models and systems in production. + Optimize model inference for speed and efficiency. + Contribute to the full software development lifecycle, from requirements gathering and design to deployment, monitoring, and maintenance.**Technical Foundation*** Programming Languages: Proficiency in Python; familiarity with Java, JavaScript, or C++ is a plus* ML Basics: Understanding of fundamental machine learning concepts and algorithms* Frameworks: Basic experience with at least one ML framework (TensorFlow, PyTorch, scikit-learn)* Software Development: Knowledge of version control (Git), testing, and debugging* Data Handling: Experience with data manipulation using pandas, NumPy, or similar libraries* Databases: Basic SQL knowledge and understanding of database concepts**About You**You're a fit for the role of **Senior** **Software Engineer, AI** if you have the following required qualifications:**Educational Background*** Bachelor's degree in Computer Science, Software Engineering, Data Science, or related field* Proven experience designing, building, and deploying production-grade agentic AI workflows — including multi-step reasoning, tool/API orchestration, and LLM-as-judge or eval-driven quality gates — serving real end users at scale.* Coursework or projects involving machine learning, statistics, or data analysis* Understanding of software engineering principles and object-oriented programming* 1+ years of professional software development experience* Professional, academic or personal projects demonstrating AI/ML implementation* Experience in software development or data science (preferred)* Experience with cloud platforms (AWS, GCP, Azure) is a plus#LI-SM2This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization.**What’s in it For You?*** **Hybrid Work Model:** We’ve adopted a flexible hybrid working environment (2-3 days a week in the office depending on the role) for our office-based roles while delivering a seamless experience that is digitally and physically connected.* **Flexibility & Work-Life Balance:** Flex My Way is a set of supportive workplace policies designed to help manage personal and professional responsibilities, whether caring for family, giving back to the community, or finding time to refresh and reset. This builds upon our flexible work arrangements, including work from anywhere for up to 8 weeks per year, empowering employees to achieve a better work-life balance.* **Career Development and Growth:** By fostering a culture of continuous learning and skill development, we prepare our talent to tackle tomorrow’s challenges and deliver real-world solutions. Our Grow My Way programming and skills-first approach ensures you have the tools and knowledge to grow, lead, and thrive in an AI-enabled future.* **Industry Competitive Benefits:** We offer comprehensive benefit plans to include flexible vacation, two company-wide Mental Health Days off, access to the Headspace app, retirement savings, tuition reimbursement, employee incentive programs, and resources for mental, physical, and financial wellbeing.* **Culture:** Globally recognized, award-winning reputation for inclusion and belonging, flexibility, work-life balance, and more. We live by our values: Obsess over our Customers, Compete to Win, Challenge (Y)our Thinking, Act Fast / Learn Fast, and Stronger Together.* **Social Impact:** Make an impact in your community with our Social Impact Institute. We offer employees two paid volunteer days off annually and opportunities to get involved with pro-bono consulting projects and Environmental, Social, and Governance (ESG) initiatives.* **Making a Real-World Impact:** We are one of the few companies globally that helps its customers pursue justice, truth, and transparency. Together, with the professionals and institutions we serve, we help uphold the rule of law, turn the wheels of commerce, catch bad actors, report the facts, and provide trusted, unbiased information to people all over the world.Our use of AI within the recruitment process Thomson Reuters utilizes Artificial Intelligence (AI) to support parts of our global recruitment process. Unless you opt-out, our AI system will assess the information provided by you and compare it to the requirements listed for the role, and present the result to our recruitment personnel for further review. The AI system acts as a supporting tool, but there is always a human making the decision if you will be considered for the roleThomson Reuters complies with local laws that require upfront disclosure of the expected pay range for a position. The base compensation range varies across locations.For Ontario, Canada, the base compensation range for this role is $100,000 CAD - $145,000 CAD.Base pay is positioned within the range based on several factors including an individual’s knowledge, skills and experience with consideration given to internal equity. Base pay is one part of a comprehensive Total Reward program which also includes flexible and supportive benefits and other wellbeing programs.This role may also be eligible for an Annual Bonus based on a combination of enterprise and individual performance.**About Us**Thomson Reuters informs the way forward by bringing together the trusted content and technology that people and organizations need to make the right decisions. We serve professionals across legal, tax, accounting, compliance, government, and media. Our products combine highly specialized software and insights to empower professionals with the data, intelligence, and solutions needed to make informed decisions, and to help institutions in their pursuit of justice, truth, and transparency. Reuters, part of Thomson Reuters, is a world leading provider of trusted journalism and news.We are powered by the talents of 26,000 employees across more than 70 countries, where everyone has a chance to contribute and grow professionally in flexible work environments. At a time when objectivity, accuracy, fairness, and transparency are under attack, we consider it our duty to pursue them. Sound exciting? Join us and help shape the industries that move society forward.As a global business, we rely on the unique backgrounds, perspectives, and experiences of all employees to deliver on our business goals. To ensure we can do that, we seek talented, qualified employees in all our operations around the world regardless of race, color, sex/gender, including pregnancy, gender identity and expression, national origin, religion, sexual orientation, disability, age, marital status, citizen status, veteran status, or any other protected classification under applicable law. Thomson Reuters is proud to be an Equal Employment Opportunity Employer providing a drug-free workplace.We also make reasonable accommodations for qualified individuals with disabilities and for sincerely held religious beliefs in accordance with applicable law. More information on requesting an accommodation here. #J-18808-Ljbffr